package collection.Stream;

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.Random;

/*
        演示常见终端环节:

 */
public class StreamApiDemo2 {
    public static void main(String[] args) {
        Random rand = new Random();
        List<Integer> list = new ArrayList<>();
        for (int i=0;i<10;i++){
            list.add(rand.nextInt(100));
        }
        System.out.println(list);

        Optional<Integer> value = list.stream().min((e1,e2)->e1-e2);
        System.out.println(value.get());//最小值

        value = list.stream().max((e1,e2)->e1-e2);
        System.out.println(value.get());//最大值

        boolean anyMatch = list.stream().anyMatch(e->e%2==0);
        System.out.println(anyMatch);

        boolean allMatch = list.stream().allMatch(e->e%2==0);
        System.out.println(allMatch);

        boolean noneMatch = list.stream().noneMatch(e->e%2==0);
        System.out.println(noneMatch);

        //对集合元素求和
        int number = list.stream().reduce((e1,e2)->e1+e2).get();
        System.out.println(number);





















    }
}
